Jumper’s knee is caused by overuse of your knee joint, such as frequent jumping on hard surfaces. It’s usually a sports-related injury, linked to leg muscle contraction and the force of hitting the ground....more

An inguinal hernia is when part of your intestine pushes through a weak spot in your lower belly (abdominal) wall. This area is called the groin. The hernia creates a lump in your groin. Over time, the hernia may get bigger....more